Overview: Herpes zoster is a viral skin disease characterized by herpes zoster virus, a cluster of herpes and neuralgia distributed along the peripheral nerves of the trigeminal nerve. Herpes zoster is known in Chinese medicine as “tangled waist fire dan”, commonly known as “tangled waist dragon”. The trigeminal nerve herpes zoster is a serious skin disease of the lid, caused by the infection of the semilunar ganglion or a branch of the trigeminal nerve with varicella zoster virus. The cause: trigeminal herpes zoster is caused by infection of the trigeminal nerve’s semilunar ganglion or one of its branches with varicella zoster virus. Patients undergoing radiation therapy or immunosuppressive therapy are susceptible to this disease. The disease is lifelong immune after onset and rarely recurs. The first branch of the trigeminal nerve (ophthalmic branch) is often affected, and herpes zoster is found on the scalp, forehead and upper lid of the trigeminal nerve; sometimes the second branch is invaded, and lesions are found on the lower eyelid, cheek and upper lip. It is characterized by unilateral invasion only, stopping at the midline of the forehead in front of the eyes to form and obvious divisions. Symptoms and signs: 1. Conscious symptoms: At the beginning of the disease, there is severe neuralgia, photophobia and lacrimation in the distribution area of the trigeminal nerve. The skin is flushed and swollen 1-3 days after the onset of the disease, with numerous transparent, band-like blisters of different sizes, initially colorless and transparent, then cloudy and purulent, usually crusting off in 2-4 weeks. Permanent scarring is left due to dermal invasion. It is often complicated by keratitis and iridocyclitis, which affects vision, and occasionally eye muscle paralysis occurs. 3. Systemic symptoms: Severe cases may be accompanied by fever, chills, discomfort and other systemic symptoms, or local lymph node enlargement and pressure pain. Diagnosis: detailed history of trigeminal herpes zoster, local physical examination, combined with clinical symptoms and signs, laboratory tests if necessary, such as blood tests, may have lymphocytopenia and other manifestations of viral infection. It is generally not difficult to make a diagnosis. Treatment: 1. General treatment: rest in bed, eat easily digestible food, pay attention to nutrition, maintain adequate sleep, live a regular life, exercise appropriately, and maintain a relaxed mood. 2, drug treatment: (1) local application of 1% gentian violet, phthalimide rub or furnace glycerine lotion external application, 1 day 3-5 times. The erosion is coated with neomycin furosemide paste. Or ultraviolet light irradiation, audio electrotherapy, laser irradiation (helium-neon or carbon dioxide beam expansion irradiation), TDP spectrum irradiation, etc. Talcum powder can also be sprinkled. (2) Sedatives and analgesics may be given for severe pain. (3) In severe cases, placental globulin, gammaglobulin and vitamin B12 can be given to improve the body resistance. (4) There should be recovery period whole blood or serum line intramuscular injection, 10 ml each time, can have significant effect. (5) If the complication of keratitis or iris ciliary inflammation, local point 0, 1 to 0, 2% herpes net (I, D, U), dilate the pupil and hot compress, etc. (6) If necessary, appropriate antibiotics and corticosteroids can be added. 3, Chinese medicine treatment: can be combined with heat-clearing and detoxifying herbs and acupuncture therapy. Recommended Chinese medicines include Gentian and Liver Pill for liver fire; Stomach Ling Pill or Ginseng and Atractylodes Pill for spleen deficiency and dampness; Blood and Qi stagnation, Blood Mansion and Stasis Pill.